Display screen of a beverage dispenser with a graphical user interface



The single view is a front view of the display screen of a beverage dispenser with a graphical user interface, showing our new design.

The broken line showing of the display screen of a beverage dispenser illustrates the unclaimed environment of the graphical user interface and forms no part of the claimed design. The unclaimed portions of the graphical user interface illustrated with broken lines form no part of the claimed design. 

CLAIM The ornamental design for a display screen of a beverage dispenser with a graphical user interface, as shown and described. 